UV Absorber 329 (UV-329,5411)

Chemical Name: 2-(2'-hydroxy-5'-tert-octyl phenyl) benzotriazole

Cas No. 3147-75-9

Structural formula:

Specifications:

Appearance: White powder
Purity:≥98.0% by HPLC
Volatile matter:≤0.3%
Melting point:102-106°C
Ash content:≤0.1%
Transmittance: 440nm 96.0%min
500nm 98.0%min

Packing: 20/25kg bag or carton box

Application: UV-329 light stabilizer is a unique photostabilizer that is effective in a variety of polymeric systems: particularly in polyesters, polyvinyl chlorides, styrenics, acrylics, polycarbonates, and polyvinyl butyal. UV-329 light stabilizer is especially noted for its broad range UV absorption, low color, low volatility, and excellent solubility. Typical end-uses include molding, sheet, and glazing materials for window lighting, sign, marine and auto applications. Specialty applications for UV-329 light stabilizer include coatings (particularly themosets where low volatility is a concern), photo products, sealants, and elastomeric materials.

Shelf life: two years

FAQ

Sample service

We have enough samples for our customer in our stock , but need to pay for samples, we can delivery the samples in 7 days.

Quality control

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Quick response

All requests will be reply within 12 hours.

Q:Could you provide samples for test?

A: Yes, we provide our customers with sample , but the customer should pay for the test.

Q:How to make payment?

A:T/T,L/C, we also accept most other convenient methods of payment.